This document provided the National Science Foundation with sufficient information to seek authorization to support the National Hail Research Experiment (NHRE) to its completion, and to make certain recommendations as to changes and concepts of the plan of attack, particularly changes in scienti... Show moreThis document provided the National Science Foundation with sufficient information to seek authorization to support the National Hail Research Experiment (NHRE) to its completion, and to make certain recommendations as to changes and concepts of the plan of attack, particularly changes in scientific strategy, time tables, and budgets. Show less
